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deps/v8/test/debugger/debug/debug-evaluate-repl-mode-await.js

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+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+Debug = debug.Debug
+
+const evaluate = Debug.evaluateGlobalREPL;
+
+(async () => {
+    // Test that the completion value of the REPL script is the resolve value of the
+    // promise returned by evalute.
+    let result = evaluate('5;');
+    assertPromiseResult(result, (value) => {
+        assertEquals(5, value);
+    }, assertUnreachable);
+
+    // Test that top-level await in REPL mode works.
+    result = evaluate('let x = await Promise.resolve(42);');
+    assertPromiseResult(result, (value) => {
+        assertEquals(undefined, value);
+        assertEquals(42, x);
+    }, assertUnreachable);
+
+    // Test that a throwing REPL script results in a rejected promise.
+    result = evaluate('throw new Error("ba dum tsh");');
+    assertPromiseResult(result, assertUnreachable, (error) => {
+        assertEquals("ba dum tsh", error.message);
+    });
+
+    // Test that a rejected promise throws.
+    result = evaluate('await Promise.reject("Reject promise!");');
+    assertPromiseResult(result, assertUnreachable, (error) => {
+        assertEquals('Reject promise!', error);
+    });
+
+    // Test that we can bind a promise in REPL mode.
+    await evaluate('let y = Promise.resolve(21);');
+    assertPromiseResult(y, (value) => {
+        assertEquals(21, value);
+    }, assertUnreachable);
+})().then(() => {
+    print("Async test completed successfully.");
+}).catch(e => {
+    print(e.stack);
+    %AbortJS("Async test is failing");
+});